| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. M Marin vs H Herraiz Hidalgo |
| 1-0 | 23 | 1999 | Benasque Open | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 27. H Herraiz Hidalgo vs E Pizarro Segura |
| 1-0 | 24 | 1999 | Benasque Open | A81 Dutch |
| 28. M Illescas vs H Herraiz Hidalgo |
| 1-0 | 25 | 1999 | Albacete m | E60 King's Indian Defense |
| 29. H Herraiz Hidalgo vs M Illescas |
| ½-½ | 23 | 1999 | Albacete m | E32 Nimzo-Indian, Classical |
| 30. M Illescas vs H Herraiz Hidalgo |
| ½-½ | 65 | 1999 | Albacete m | E94 King's Indian, Orthodox |
| 31. H Herraiz Hidalgo vs M Illescas |
| 0-1 | 39 | 1999 | Albacete m | E97 King's Indian |
| 32. M Illescas vs H Herraiz Hidalgo |
| 1-0 | 25 | 1999 | Albacete m | E94 King's Indian, Orthodox |
| 33. H Herraiz Hidalgo vs M Illescas |
| 0-1 | 40 | 1999 | Albacete m | A58 Benko Gambit |
| 34. H Herraiz Hidalgo vs X Colom Andres |
| 1-0 | 35 | 2000 | Spanish Championship | E34 Nimzo-Indian, Classical, Noa Variation |
| 35. F Chiva Vega vs H Herraiz Hidalgo |
| ½-½ | 51 | 2000 | Spanish Championship | E92 King's Indian |
| 36. H Herraiz Hidalgo vs Ivan Alonso Alonso |
| 1-0 | 41 | 2000 | Spanish Championship | E34 Nimzo-Indian, Classical, Noa Variation |
| 37. D Martinez Martin vs H Herraiz Hidalgo |
| ½-½ | 33 | 2000 | Spanish Championship | E70 King's Indian |
| 38. H Herraiz Hidalgo vs J M Carrasco Martinez |
| ½-½ | 62 | 2000 | Spanish Championship | D38 Queen's Gambit Declined, Ragozin Variation |
| 39. J Ayza Ballester vs H Herraiz Hidalgo |
| 0-1 | 35 | 2000 | Spanish Championship | A16 English |
| 40. H Herraiz Hidalgo vs R Jose Abril |
| 1-0 | 36 | 2000 | Spanish Championship | D16 Queen's Gambit Declined Slav |
| 41. H Herraiz Hidalgo vs J Mellado Trivino |
| ½-½ | 18 | 2000 | Spanish Championship | D21 Queen's Gambit Accepted |
| 42. M Narciso Dublan vs H Herraiz Hidalgo |
| 1-0 | 38 | 2000 | Spanish Championship | E81 King's Indian, Samisch |
| 43. H Herraiz Hidalgo vs J Pascual Paredes |
| ½-½ | 29 | 2001 | Spanish Team Championship 2nd Division | A56 Benoni Defense |
| 44. E Biedma Martin vs H Herraiz Hidalgo |
| ½-½ | 41 | 2001 | Spanish Team Championship 2nd Division | E92 King's Indian |
| 45. H Herraiz Hidalgo vs J A Corral Blanco |
| ½-½ | 26 | 2001 | Spanish Team Championship 2nd Division | E32 Nimzo-Indian, Classical |
| 46. A Rodriguez vs H Herraiz Hidalgo |
| ½-½ | 22 | 2001 | Spanish Team Championship 2nd Division | C11 French |
| 47. H Herraiz Hidalgo vs A Acebal Muniz |
| ½-½ | 40 | 2001 | Spanish Team Championship 2nd Division | D62 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 48. M A Perez Fungueiro vs H Herraiz Hidalgo |
| ½-½ | 32 | 2001 | Spanish Team Championship 2nd Division | A15 English |
| 49. H Herraiz Hidalgo vs D Komljenovic |
| 0-1 | 47 | 2001 | Villa de Mislata op 10th | D53 Queen's Gambit Declined |
| 50. H Herraiz Hidalgo vs M Neubauer |
| ½-½ | 21 | 2001 | European Team Championship | A17 English |
Kibitzing
